4.93 m
Hyperfocal distance
2.46 m
Sharp from (focused at hyperfocal)
43 mm f/12.3
Full-frame equivalent
53°
Diagonal angle of view
Depth of field by subject distance#
28 mm at f/8 on APS-C (23.5×15.6 mm), circle of confusion 20 µm. “Background blur” is the size of an out-of-focus light at infinity as a percentage of frame width.
| Focus distance | Near limit | Far limit | Total DoF | Front / behind | Background blur |
|---|---|---|---|---|---|
| 30.0 cm (0.98 ft) | 28.4 cm | 31.8 cm | 3.3 cm | 47% / 53% | 1.53% |
| 50.0 cm (1.64 ft) | 45.6 cm | 55.3 cm | 9.7 cm | 45% / 55% | 0.88% |
| 75.0 cm (2.46 ft) | 65.4 cm | 88.0 cm | 22.6 cm | 43% / 57% | 0.58% |
| 1.00 m (3.28 ft) | 83.4 cm | 1.25 m | 41.3 cm | 40% / 60% | 0.43% |
| 1.50 m (4.92 ft) | 1.15 m | 2.14 m | 99.1 cm | 35% / 65% | 0.28% |
| 2.00 m (6.56 ft) | 1.43 m | 3.35 m | 1.92 m | 30% / 70% | 0.21% |
| 3.00 m (9.84 ft) | 1.87 m | 7.62 m | 5.76 m | 20% / 80% | 0.14% |
| 4.00 m (13.1 ft) | 2.21 m | 21.1 m | 18.9 m | 9% / 91% | 0.10% |
| 5.00 m (16.4 ft) | 2.48 m | ∞ | ∞ | — | 0.08% |
| 7.00 m (23.0 ft) | 2.89 m | ∞ | ∞ | — | 0.06% |
| 10.0 m (32.8 ft) | 3.29 m | ∞ | ∞ | — | 0.04% |
| 15.0 m (49.2 ft) | 3.70 m | ∞ | ∞ | — | 0.03% |
| 20.0 m (65.6 ft) | 3.94 m | ∞ | ∞ | — | 0.02% |
| 30.0 m (98.4 ft) | 4.22 m | ∞ | ∞ | — | 0.01% |
| 50.0 m (164 ft) | 4.46 m | ∞ | ∞ | — | 0.01% |
| 100 m (328 ft) | 4.67 m | ∞ | ∞ | — | 0.00% |
Try other settings#
Near limit—
Far limit—
Depth of field—
Hyperfocal distance—
In front / behind—
28 mm at other apertures (subject at 3 m)#
Other focal lengths at f/8#
Same lens settings on other formats#
When to use it#
At f/8, a 28 mm lens on APS-C is a natural choice for landscapes and architecture where front-to-back sharpness matters. Focused at 3 m you get 5.76 m of sharp zone; for maximum front-to-back sharpness focus at 4.93 m and everything from 2.46 m to infinity will be acceptably sharp.
See also the f/8 aperture guide.
Frequently asked questions#
What is the depth of field of a 28mm lens at f/8?
On APS-C, focused at 3 m, it is 5.76 m; at 1 m it is 41.3 cm.
What is the hyperfocal distance for 28mm f/8?
4.93 m (16.2 ft) on APS-C. Everything from 2.46 m to infinity is acceptably sharp.
Last updated October 03, 2026 · How we calculate · Sources